ADA4941-1
PRODUCTIONSingle-Supply, Differential 18-Bit ADC Driver
- Part Models
- 6
- 1ku List Price
- Starting From $2.85
Part Details
- Single-ended-to-differential converter
- Excellent linearity
- Distortion −110 dBc at 100 kHz for VO, dm = 2 V p-p
- Low noise: 10.2 nV/√Hz, output-referred, G = 2
- Extremely low power: 2.2 mA (3 V supply)
- High input impedance: 24 MΩ
- User-adjustable gain
- High speed: 31 MHz, −3 dB bandwidth (G = +2)
- Fast settling time: 300 ns to 0.005% for a 2 V step
- Low offset: 0.8 mV maximum, output-referred, G = 2
- Rail-to-rail output
- Disable feature
- Wide supply voltage range: 2.7 V to 12 V
- Available in space-saving, 3 mm × 3 mm LFCSP
The ADA4941-1 is a low power, low noise differential driver for analog-to-digital converters (ADCs) up to 18 bits in systems that are sensitive to power. The ADA4941-1 is configured in an easy-to-use, single-ended-to-differential configuration and requires no external components for a gain of 2 configuration. A resistive feedback network can be added to achieve gains greater than 2. The ADA4941-1 provides essential benefits, such as low distortion and high SNR that are required for driving high resolution ADCs.
With a wide input voltage range (0 V to 3.9 V on a single 5 V supply), rail-to-rail output, high input impedance, and a user-adjustable gain, the ADA4941-1 is designed to drive single-supply ADCs with differential inputs found in a variety of low power applications, including battery-operated devices and singlesupply data acquisition systems.
The ADA4941-1 is ideal for driving the 16-bit and 18-bit PulSAR® ADCs, such as the AD7687, AD7690, and AD7691. The ADA4941-1 is manufactured on Analog Devices, Inc., proprietary, second-generation, eXtra fast complementary bipolar (XFCB) process, which enables the amplifier to achieve 18-bit performance on low supply currents.
The ADA4941-1 is available in a small 8-lead LFCSP as well as a standard 8-lead SOIC and is rated to work over the extended industrial temperature range, −40°C to +125°C.
Applications
- Single-supply data acquisition systems
- Instrumentation
- Process control
- Battery-power systems
- Medical instrumentation
Documentation
Data Sheet 1
User Guide 1
Application Note 2
Technical Articles 1
Tutorial 1
Product Selection Guide 3
Rarely Asked Question Page 1
Webcast 2
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| ADA4941-1YCPZ-R2 | 8-Lead LFCSP (3mm x 3mm w/ EP) | ||
| ADA4941-1YCPZ-R7 | 8-Lead LFCSP (3mm x 3mm w/ EP) | ||
| ADA4941-1YCPZ-RL | 8-Lead LFCSP (3mm x 3mm w/ EP) | ||
| ADA4941-1YRZ | 8-Lead SOIC | ||
| ADA4941-1YRZ-R7 | 8-Lead SOIC | ||
| ADA4941-1YRZ-RL | 8-Lead SOIC |
| Part Models | Product Lifecycle | PCN |
|---|---|---|
|
Jul 25, 2017 - 17_0068 CANCELLED: Addition of ASE Korea as an Alternate Assembly Site for Select 3x3mm and 4x4mm Body Sizes LFCSP Devices |
||
| ADA4941-1YCPZ-R2 | PRODUCTION | |
| ADA4941-1YCPZ-R7 | PRODUCTION | |
| ADA4941-1YCPZ-RL | PRODUCTION | |
|
Feb 13, 2014 - 14_0038 Conversion of 3x3mm body Size LFCSP Package Outlines from Punch to Sawn and Transfer of Assembly Site to Amkor Philippines. |
||
| ADA4941-1YCPZ-R2 | PRODUCTION | |
| ADA4941-1YCPZ-R7 | PRODUCTION | |
| ADA4941-1YCPZ-RL | PRODUCTION | |
|
Mar 19, 2009 - 09_0044 Datasheet Change to ADA4941-1 |
||
| ADA4941-1YCPZ-R2 | PRODUCTION | |
| ADA4941-1YCPZ-R7 | PRODUCTION | |
| ADA4941-1YCPZ-RL | PRODUCTION | |
| ADA4941-1YRZ | PRODUCTION | |
| ADA4941-1YRZ-R7 | PRODUCTION | |
| ADA4941-1YRZ-RL | PRODUCTION | |
This is the most up-to-date revision of the Data Sheet.
Software Resources
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Tools & Simulations
SPICE Model 1
Evaluation Kits
Universal Evaluation Board for Single Differential Amplifiers
Resources
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